low temperature Fluorescent Brightener

optical brightener ER optical brightener ER-I Fluorescent Brightener Agent is suitable for polyester fiber and its blended products. optical brightener ER-I Can be applied to dip method at low temperature (100 ℃), dip method at high temperature, and padding baking dyeing method. This product optical brightener ER-I is a dispersed liquid. Shijiazhuang Taicang New Materials Co., Ltd. is a technology innovation and environmental protection enterprise integration of research,